Osight XR main spring the Gun Tool Pro-AR15 is

the Gun Tool Pro-AR15 is packed with functionality

This pistol grip improves comfort

Fast focus eyepiece at ocular lens adjustment from -2 to 2

The PMAG 35 EV9 provides optimal round stack geometry

Osight XR main spring the Gun Tool Pro-AR15 isFeatures Enclosed Emitter Optic with Ruggedized Miniature Reflex Footprint: Built on the industry standard Ruggedized Miniature Reflex footprint, the enclosed Osight XR offers rugged environmental protection and broad seamless full size and compact pistol compatibility. Industrys First 2 6+32 MOA Multi Reticle System: Switching between a 2 MOA dot, 2 MOA dot + 32 MOA circle, 6 MOA dot, 6 MOA dot + 32 MOA circle, and 32 MOA circle you can tailor your